← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 3 · 40 questions
TalentJR

How to do it in your head (Count up): Start at the smaller number. Jump to the next ten, then the next hundred, then to the bigger number. Add up all the jumps.

NameDateTime takenScore ___ / 40
  1. 1.513 − 496 =
  2. 2.507 − 479 =
  3. 3.327 − 277 =
  4. 4.51 − 42 =
  5. 5.109 − 86 =
  6. 6.311 − 291 =
  7. 7.1009 − 996 =
  8. 8.519 − 476 =
  9. 9.319 − 290 =
  10. 10.512 − 488 =
  11. 11.83 − 70 =
  12. 12.1028 − 993 =
  13. 13.102 − 94 =
  14. 14.508 − 478 =
  15. 15.58 − 33 =
  16. 16.501 − 484 =
  17. 17.327 − 295 =
  18. 18.505 − 482 =
  19. 19.221 − 179 =
  20. 20.95 − 68 =
  21. 21.66 − 42 =
  22. 22.1017 − 988 =
  23. 23.527 − 488 =
  24. 24.1005 − 991 =
  25. 25.315 − 296 =
  26. 26.108 − 94 =
  27. 27.206 − 196 =
  28. 28.319 − 286 =
  29. 29.55 − 25 =
  30. 30.102 − 98 =
  31. 31.101 − 70 =
  32. 32.117 − 83 =
  33. 33.106 − 67 =
  34. 34.117 − 97 =
  35. 35.1014 − 979 =
  36. 36.1005 − 996 =
  37. 37.52 − 36 =
  38. 38.73 − 47 =
  39. 39.208 − 185 =
  40. 40.121 − 97 =

Answer key

  1. 17
  2. 28
  3. 50
  4. 9
  5. 23
  6. 20
  7. 13
  8. 43
  9. 29
  10. 24
  11. 13
  12. 35
  13. 8
  14. 30
  15. 25
  16. 17
  17. 32
  18. 23
  19. 42
  20. 27
  21. 24
  22. 29
  23. 39
  24. 14
  25. 19
  26. 14
  27. 10
  28. 33
  29. 30
  30. 4
  31. 31
  32. 34
  33. 39
  34. 20
  35. 35
  36. 9
  37. 16
  38. 26
  39. 23
  40. 24

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths